Cause of refraction according to Kamál ud-Dín Abí al-Hasan as-Fársí
Subtitle: Read at the third session of the Idara-i-Ma'arif-i-Islamiya, Lahore, at Delhi, December 1938
Publisher: Ripon press
Published: 1938
Place of publication: Lahore
Language: eng
Number of pages: 12
Subjects: Optics
Notes: Relates to the Tanqiḥ al-Manāzīr by Kamál al-Dín Abŕ al-Ḥasan al Fársí, which is a commentary on the al-Manāzīr by Alhazen.

With Arabic text of a selection from the Tanqiḥ, p. 9-12.